OpenTechnical

OT-2026-000049559

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000049559) never changes.

Identity and time

Publication numberOT-2026-000049559 · never reused
Internal UUID01a0ae81-8f7d-7d9c-bdf6-887a1d0471f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049559
StatusPUBLIC

Content hashes

Canonical text29eea1b3007c09696f8572d857421c34fd29e595faeeb150feb02c7e0ada5189
Markdownd3adc2beab1cbcd966d5afdc0f2c086876f6345b969c3c24369efdaaf6262e2a
PDF
Publication page61f1ca6e9724f8e3980ae091716865bbf30e6d0667244162d6b8e547372f4ea5
Manifest26a2a3e57d65b82a21a06724ffc7106bba095b25172751d9aa1e8ab72dda4215

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturedPO6eClXfR1MOb8xSlJ14IiHgilryJF/PTCFullV0h+m30kieZ8GgoDuEcsFMqWMNShpUb6UfOXtRfG7awfiAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:25.881156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049559
observed 61f1ca6e9724f8e3980ae091716865bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:25.861762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049559/manifest.json
observed 26a2a3e57d65b82a21a06724ffc7106b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:25.840373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049559/publication.md
observed d3adc2beab1cbcd966d5afdc0f2c0868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:25.817761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049559/publication.txt
observed 29eea1b3007c09696f8572d857421c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.